package com.wzh.mall.search.service.impl;

import com.alibaba.fastjson.JSON;
import com.wzh.common.to.es.SkuEsModel;
import com.wzh.mall.search.config.MallElasticSearchConfig;
import com.wzh.mall.search.constant.EsConstant;
import com.wzh.mall.search.service.ProductSaveService;
import lombok.extern.slf4j.Slf4j;
import org.elasticsearch.action.bulk.BulkRequest;
import org.elasticsearch.action.bulk.BulkResponse;
import org.elasticsearch.action.index.IndexRequest;
import org.elasticsearch.client.RestHighLevelClient;
import org.elasticsearch.common.xcontent.XContentType;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.io.IOException;
import java.util.Arrays;
import java.util.List;
import java.util.stream.Collectors;

/**
 * @program: mall
 * @description:
 * @author: Mr.Wang
 * @create: 2021-09-08 12:28
 **/
@Slf4j
@Service
public class ProductSaveServiceImpl implements ProductSaveService {


    @Autowired
    RestHighLevelClient restHighLevelClient;
    
    /**
      * @Description: 上架商品
      * @Param: [skuEsModels]
      * @return: void
      * @Author: Mr.Wang
      * @Date: 2021/9/8
      * @Time: 12:28
      */      
      
    @Override
    public boolean productStatusUp(List<SkuEsModel> skuEsModels) throws IOException {
        // 将数据保存到ElasticSearch
        // 1、给ElasticSearch中建立一个索引，product 建立好映射关系

        // 2、给ElasticSearch中保存数据
        // BulkRequest bulkRequest, RequestOptions options
        BulkRequest bulkRequest = new BulkRequest();
        for (SkuEsModel model:skuEsModels) {

            // 构造保存请求
            IndexRequest indexRequest = new IndexRequest(EsConstant.PRODUCT_INDEX);
            indexRequest.id(model.getSkuId().toString());
            String s = JSON.toJSONString(model);
            // 转为JSON
            indexRequest.source(s, XContentType.JSON);
            bulkRequest.add(indexRequest);
        }
        BulkResponse bulk = restHighLevelClient.bulk(bulkRequest, MallElasticSearchConfig.COMMON_OPTIONS);
        //TODO 如果批量错误
        boolean b = bulk.hasFailures();
        List<String> collect = Arrays.stream(bulk.getItems()).map(item -> {
            return item.getId();
        }).collect(Collectors.toList());
        log.info("商品上架成功：{},返回数据：{}",collect,bulk.toString());

        return b;
    }
}
